MP5K / SP5K Barrels
Whether upgrading or replacing, find precision-engineered HK MP5K/SP5K barrels that enhance performance and accuracy. HKP offers MP5K barrels for sale and threaded barrels for the SP5K, perfect for maintaining reliability and top-tier function. Choose from our wide selection of HK Parts to complete your setup.
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Out Of StockOn Sale
HK MP5KN, SP89, SP5K, Barrel - 9mm - 5.85" - Threaded 1/2x32 with 3 Lug
RCM
Now: $269.95Was: $299.95RCM HK MP5K and HK MP5KN 9mm Barrel – Threaded 1/2x32 – 3–Lug Machined from a cold hammer forged blank, this MP5KN (PDW) barrel meets the latest specifications with factory-correct, updated 16 flutes in the chamber. Featuring a...Now: $269.95Was: $299.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it an essential upgrade for firearm enthusiasts...Now: $251.95Was: $279.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...Now: $251.95Was: $279.95 -
On Sale
HK MP5K Barrel - .40 S&W - Threaded 14x.75 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5K .40 cal. Crafted from top-grade CHF 41v40 material, it’s machined to impeccable standards. With the correct...Now: $251.95Was: $279.95